Search results for " non-perturbative renormalization"

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Nonperturbative renormalization of quark bilinears

1998

We compute non-perturbatively the renormalization constants of quark bilinears on the lattice in the quenched approximation at three values of the coupling beta=6/g_0^2=6.0,6.2,6.4 using both the Wilson and the tree-level improved SW-Clover fermion action. We perform a Renormalization Group analysis at the next-to-next-to-leading order and compute Renormalization Group invariant values for the constants. The results are applied to obtain a fully non-perturbative estimate of the vector and pseudoscalar decay constants.

QuarkPhysicsNuclear and High Energy Physicsgauge theory lattice non-perturbative renormalizationHigh Energy Physics::LatticeHigh Energy Physics - Lattice (hep-lat)FísicaFOS: Physical sciencesQuenched approximationFermionRenormalization groupRenormalizationPseudoscalarFIS/02 - FISICA TEORICA MODELLI E METODI MATEMATICIHigh Energy Physics - LatticeLattice (order)Non-perturbativeMathematical physics
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